ON TIMEBOARD

AS 225 on time

Alaska Airlines 225: Seattle to Anchorage at 4:59 p.m. (past 12 months)

On time
74%
210 flights · likely 68–80%
Cancelled
1.4%
of scheduled flights
Typical arrival
−2 min
median vs schedule
When late
+43 min
average delay
Similar flights
76%
AS, same route & hour

About 1 in 4 AS 225 flights from Seattle arrived 15+ minutes late, diverted or cancelled over the past year (26%); 1.4% were cancelled. The typical flight landed 2 minutes early.

AS 225: SEA → ANC

Scheduled to leave Seattle at 4:59 p.m. local time. Over the past year it arrived on time 74% of the time (210 flights), in line with other AS flights on the route at that hour (76%). Last seen in the data Aug 31, 2026.

Month by month

40%70%100%Jul 2025: 45% on time (22 flights)45JulAug 2025: 75% on time (24 flights)75AugSep 2025: 92% on time (25 flights)92SepOct 2025: 77% on time (30 flights)77OctNov 2025: 67% on time (15 flights)67NovDec 2025: 57% on time (23 flights)57DecJan 2026: too few flights (4 flights)JanMar 2026: too few flights (14 flights)MarApr 2026: 86% on time (21 flights)86AprJun 2026: 81% on time (21 flights)81JunJul 2026: 74% on time (31 flights)74JulAug 2026: 65% on time (26 flights)65Aug

By day of week

DayFlightsOn time
Monday3476%
Tuesday2966%
Wednesday2688%
Thursday3373%
Friday3367%
Saturday2584%
Sunday3070%

Why it was late

Late inbound plane 47%Airline (crew, maintenance, ops) 35%Air traffic & airport (NAS) 19%

All flights SEA → ANC · Connecting off AS 225? Check the risk

Questions

How often is AS 225 from SEA to ANC late?

Alaska Airlines 225 from Seattle, WA to Anchorage, AK arrived 15 or more minutes late, was diverted or was cancelled on 26% of 210 scheduled flights between September 2025 and August 2026. 1.4% were cancelled.

Flight numbers change. Figures cover flights with this airline, number and route only. "Likely range" is the 95% interval for the true on-time rate given the number of flights. This is history, not live status: check Alaska Airlines for today's flight. Method.